264 BJllDS OF ILLINOIS. 



Genus PODILYMEUS Lesson. 



Podilymhus Lesson, Traite. i, 1831, 596. Type, Podiceps carolinennis Lath., — Colyrnbui 



podiceps Linn. 

 SylheocycliiK Bonap. Saggio, 1832, 141 (same type; cf. ScL. Ibis, ]874, p. 98), 



Gen. Chae. Size medium (wing about 4.50-.'5.00 inches); bill much shorter than the 

 head, very stout, the length of the culmcn less than twice the basal depth; the culmen 

 much curved terminally; tarsus shorter than the middle toe without claw. No tufts in 

 summer plumage, but bill parti-colored, and throat ornamented by a bla,k patch. 



Only one species of this genus is known, although the South 

 American bird is considered by some authors distinct from that 

 of North America, under the name P. cuitarcticus (Less.). 



Podilymbus podiceps (Linn.) 



PIED-BILLED GEEBE. 

 Popular synonyms. Thick-billed G-rebe; Carolina Grebe; Water Witch ; Di-dippe-; Hell- 

 diver; ZambuUidor de pico grueso (Mexico). 



Colymhus podiceps Linn. S. N. ed. 10, i, 1758, 136; ed. 12, i, 1766, 223 (ba*ed ou Podiceps 



viinor rostro vario, Catesby, Carol 91.— CoZj/?h6!zs fiitvialilis caroUnensis, Bkiss. 



Orn. vi, 1760, 63). 

 Podilymhuo podiceps Lawb. in Baird's B. N. Am. 1858, 898— Baibd, Cat. N. Am. B. 1859. 



No. 709.-COUES, Key, 1872. 338; Check List, 187.3, No. 614; 2d ed. 1882, No. a52; Birds N. 



^f. 1874, 737.— Hensh. Zool. Wheeler's Exp. 1875, 490.— Ridgw. Orn. 40th Par. 1877, 643; 



Norn. N. Am. B. 1881, No. 735; Man. N. Am. B. 1887, 6.— B. B. & R. Water B. N. Am. ii, 



1884, 440.— A. O. U. Check List, 1886, No. 6. 

 Podilymhus podicipes CouEs 2d Check List, 1882, No. 852. 

 Podiceps ludovicianus Lath. Ind. Orn. ii 1790, 785. 

 Podiceps caroUnensis Lath. 1. c— Sw. & Rich. F.-B. A ii, 1831, 412.— Nutt. Man. ii. 1834,239. 



— AuD. Orn. Biog. iii, 1835. 359; Synop. 1839, 358; B. Am. vii, 1844, 324. pi. 483. 

 Podilymbus Uneatus Rieeb-m.. Proc. Acad. Nat. Sci. Phila. 1854,179; Paciflc R. R. Rep. x. 



1859, 77, pi. 9, (young). 

 Podiceps antarcticus Less. Rev. Zool. 1842, 209. 



Podilt/mhns antarc'icus Gbat, Hand-list, iii, 1871,9.5, No. 10,771. 

 Podilymhus podiceps, b. antarcticus CouES, Birds N. W. 1874,737. 

 Podiceps brevirostris Gbat, Gen. B. iii, 1839, pi. 172. 



Hab. Whole of temperate North America, Middle America, West Indies, and greater 

 part of South America, breeding nearly throughout its range. South to Brazil, Buenos 

 Ayres, and Chili, north to British Provinces. Bermudas. 



Sp. Chab. a dull, breeding plumage: Chin, throat, and a spot at the base of the man- 

 dible, black; rest of the head and neck brownish gray, darker on the pileum and nape, 

 lighter on the sides of the head, the malar region light ashy, streaked with dusky. Upper 

 parts uniform dusky grayi.'-h brown, the remiges paler, the inner webs of the secondaries 

 tipped with white ; lower parts grayish white, everywhere spotted with dusky grayish. Bill 

 milk-white, crossed past the middle by a black band, the terminal portion more bluish; eye- 

 lids white; naked lores bluish; iris rich dark brown, with a narrow outer ring of ochraceous- 

 white, and an inner thread-like ring of pure white; tarsi and toes greenish slate-black on 

 the outer, plumbeous on the inner side.' Winter plumage: Head and neck dull brownish, 

 darker on the pileum and nape, and becoming white on the chin and throat (sometimes also 



> Fresh colors of an adult female killed March 2< at Carson City, Nevada. 



